package com.cwz.auth.service;

import com.cwz.api.entity.SysUser;
import com.cwz.api.model.LoginUser;
import com.cwz.api.remote.RemoteUserService;
import com.cwz.core.constant.Constants;
import com.cwz.core.constant.HttpStatus;
import com.cwz.core.constant.SecurityConstants;
import com.cwz.core.constant.UserConstants;
import com.cwz.core.enums.UserStatus;
import com.cwz.core.exception.service.ServiceException;
import com.cwz.core.result.R;
import com.cwz.core.utils.date.DateUtils;
import com.cwz.core.utils.string.StringUtils;
import com.cwz.security.utils.SecurityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

/**
 * @program: w-demo
 * @description: 登录校验方法
 * @author: Wen
 **/
@Service
public class SysLoginService {
	@Autowired
	private RemoteUserService remoteUserService;
	@Autowired
	private SysPasswordService sysPasswordService;
	@Autowired
	private SysRecordLogService sysRecordLogService;

	/**
	 * @Description: 登录
	 * @Author: Wen
	 * @param username: 	用户名
	 * @param password:  	密码
	 * @return: com.cwz.api.model.LoginUser
	 **/
	public LoginUser login(String username, String password) {
		// 用户名或密码为空 错误
		if (StringUtils.isAnyBlank(username, password)) {
			this.sysRecordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户/密码必须填写");
			throw new ServiceException("用户/密码必须填写");
		}
		// 密码如果不在指定范围内 错误
		if (password.length() < UserConstants.PASSWORD_MIN_LENGTH || password.length() > UserConstants.PASSWORD_MAX_LENGTH) {
			this.sysRecordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户密码不在指定范围");
			throw new ServiceException("用户密码不在指定范围");
		}
		// 用户名不在指定范围内 错误
		if (username.length() < UserConstants.USERNAME_MIN_LENGTH || username.length() > UserConstants.USERNAME_MAX_LENGTH) {
			this.sysRecordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户名不在指定范围");
			throw new ServiceException("用户名不在指定范围");
		}
		// 查询用户信息
		R<LoginUser> userResult = this.remoteUserService.getUserInfo(username, SecurityConstants.INNER);
		if (StringUtils.isNull(userResult) || StringUtils.isNull(userResult.getData())) {
			this.sysRecordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "登录用户不存在");
			throw new ServiceException("登录用户：" + username + "不存在");
		}
		if (userResult.getCode() == HttpStatus.ERROR) {
			throw new ServiceException(userResult.getMsg());
		}
		LoginUser userInfo = userResult.getData();
		SysUser sysUser = userInfo.getSysUser();
		if (UserStatus.DELETED.getCode().equals(sysUser.getDelFlag())) {
			this.sysRecordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "对不起，您的账号已被删除");
			throw new ServiceException("对不起，您的账号：" + username + "已被删除");
		}
		if (UserStatus.DISABLE.getCode().equals(sysUser.getDelFlag())) {
			this.sysRecordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户已停用，请联系管理员");
			throw new ServiceException("对不起，您的账号：" + username + " 已停用");
		}
		this.sysPasswordService.validate(sysUser, password);
		this.sysRecordLogService.recordLogininfor(username, Constants.LOGIN_SUCCESS, "登录成功");
		return userInfo;
	}

	/**
	 * @Description: 登出
	 * @Author: Wen
	 * @param username:  	用户名
	 * @return: void
	 **/
	public void logout(String username) {
		this.sysRecordLogService.recordLogininfor(username, Constants.LOGOUT, "退出成功");
	}

	/**
	 * @Description: 注册
	 * @Author: Wen
	 * @param username: 	用户名
	 * @param password:  	密码
	 * @return: void
	 **/
	public void register(String username, String password) {
		// 用户名或密码为空 错误
		if (StringUtils.isAnyBlank(username, password)) {
			throw new ServiceException("用户/密码必须填写");
		}
		// 用户名不在指定范围内 错误
		if (username.length() < UserConstants.USERNAME_MIN_LENGTH || username.length() > UserConstants.USERNAME_MAX_LENGTH) {
			throw new ServiceException("账户长度必须在2到20个字符之间");
		}
		// 密码如果不在指定范围内 错误
		if (password.length() < UserConstants.PASSWORD_MIN_LENGTH || password.length() > UserConstants.PASSWORD_MAX_LENGTH) {
			throw new ServiceException("密码长度必须在5到20个字符之间");
		}
		// 注册用户信息
		SysUser sysUser = new SysUser();
		sysUser.setUserName(username);
		sysUser.setNickName(username);
		sysUser.setUserType("00");
		sysUser.setSex("0");
		sysUser.setStatus("0");
		sysUser.setDelFlag("0");
		sysUser.setPassword(SecurityUtils.encryptPassword(password));
		sysUser.setCreateTime(DateUtils.getNowDate());
		R<Boolean> booleanR = this.remoteUserService.registerUserInfo(sysUser, SecurityConstants.INNER);
		if (booleanR.getCode() == HttpStatus.ERROR) {
			throw new ServiceException(booleanR.getMsg());
		}
		this.sysRecordLogService.recordLogininfor(username, Constants.REGISTER, "注册成功");
	}
}
